The McAbee flora of British Columbia and its relation to the Early-Middle Eocene Okanagan Highlands flora of the Pacific Northwest.
Reference:
Dillhoff,R.M. et al. (2005)
The McAbee flora of British Columbia and its relation to the Early-Middle Eocene Okanagan Highlands flora of the Pacific Northwest. Canadian Journal of Earth Sciences
Vol. 42 # 2 P. 151- 166